KR100368352B1 - 데이터 은폐 방법 및 데이터 추출 방법 - Google Patents

데이터 은폐 방법 및 데이터 추출 방법 Download PDF

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Publication number
KR100368352B1
KR100368352B1 KR10-1999-7002169A KR19997002169A KR100368352B1 KR 100368352 B1 KR100368352 B1 KR 100368352B1 KR 19997002169 A KR19997002169 A KR 19997002169A KR 100368352 B1 KR100368352 B1 KR 100368352B1
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KR
South Korea
Prior art keywords
data
prediction
embedded
buried
embedding
Prior art date
Application number
KR10-1999-7002169A
Other languages
English (en)
Korean (ko)
Other versions
KR20000036133A (ko
Inventor
모리모토노리시게
마에다준지
Original Assignee
인터내셔널 비지네스 머신즈 코포레이션
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 인터내셔널 비지네스 머신즈 코포레이션 filed Critical 인터내셔널 비지네스 머신즈 코포레이션
Publication of KR20000036133A publication Critical patent/KR20000036133A/ko
Application granted granted Critical
Publication of KR100368352B1 publication Critical patent/KR100368352B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0085—Time domain based watermarking, e.g. watermarks spread over several images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Storage Device Security (AREA)
  • Selective Calling Equipment (AREA)
  • Credit Cards Or The Like (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR10-1999-7002169A 1996-10-15 1997-02-13 데이터 은폐 방법 및 데이터 추출 방법 KR100368352B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP96-272721 1996-10-15
JP27272196 1996-10-15

Publications (2)

Publication Number Publication Date
KR20000036133A KR20000036133A (ko) 2000-06-26
KR100368352B1 true KR100368352B1 (ko) 2003-01-24

Family

ID=17517865

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1999-7002169A KR100368352B1 (ko) 1996-10-15 1997-02-13 데이터 은폐 방법 및 데이터 추출 방법

Country Status (17)

Country Link
US (1) US6005643A (fr)
EP (1) EP0935392B1 (fr)
JP (1) JP3315413B2 (fr)
KR (1) KR100368352B1 (fr)
CN (1) CN1115876C (fr)
AT (1) ATE385649T1 (fr)
CA (1) CA2264625C (fr)
CZ (1) CZ290838B6 (fr)
DE (1) DE69738502T2 (fr)
ES (1) ES2297848T3 (fr)
HK (1) HK1022066A1 (fr)
HU (1) HU223895B1 (fr)
MY (1) MY122045A (fr)
PL (3) PL183090B1 (fr)
RU (1) RU2181930C2 (fr)
TW (1) TW312770B (fr)
WO (1) WO1998017061A1 (fr)

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Also Published As

Publication number Publication date
RU2181930C2 (ru) 2002-04-27
TW312770B (en) 1997-08-11
MY122045A (en) 2006-03-31
HK1022066A1 (en) 2000-07-21
HU223895B1 (hu) 2005-03-29
EP0935392B1 (fr) 2008-02-06
CA2264625C (fr) 2002-04-02
HUP0100650A2 (hu) 2001-06-28
HUP0100650A3 (en) 2002-02-28
EP0935392A1 (fr) 1999-08-11
DE69738502T2 (de) 2009-01-29
PL332701A1 (en) 1999-09-27
WO1998017061A1 (fr) 1998-04-23
EP0935392A4 (fr) 2001-04-18
CZ128999A3 (cs) 1999-08-11
CA2264625A1 (fr) 1998-04-23
ATE385649T1 (de) 2008-02-15
CZ290838B6 (cs) 2002-10-16
DE69738502D1 (de) 2008-03-20
PL183642B1 (pl) 2002-06-28
KR20000036133A (ko) 2000-06-26
CN1115876C (zh) 2003-07-23
ES2297848T3 (es) 2008-05-01
US6005643A (en) 1999-12-21
PL183090B1 (pl) 2002-05-31
JP3315413B2 (ja) 2002-08-19
CN1233371A (zh) 1999-10-27
PL183593B1 (pl) 2002-06-28

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